package Text4;

import java.util.List;

/*
 *@Student 张策
 */
public class Main {
    public static void main(String[] args) {
//        Dog<Double, String, Integer> zc = new Dog<>("zc");
//        zc.setM(6);
//        System.out.println(zc.getR());
//        System.out.println(zc);
    }
}
class A<R,M>{
    public<R,L> void he(R r,L l){

    }
    public void fun(List<?>c){
    }
    public void fun2(List<?extends AA> c){
    }
}
class AA{

}